Home / 45,443.41-62,694.48-28,207.69

Finding the Fourth Proportional to 45,443.41, 62,694.48 and 28,207.69

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Solution

The fourth proportional to 45,443.41, 62,694.48 and 28,207.69 is: 38,915.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,443.41 : 62,694.48 = 28,207.69 : x
  2. Step 2: Convert to fraction form
    45,443.41/62,694.48 = 28,207.69/x
  3. Step 3: Cross multiply
    45,443.41x = 62,694.48 × 28,207.69
  4. Step 4: Simplify right side
    45,443.41x = 1,768,466,456.55
  5. Step 5: Solve for x
    x = 1,768,466,456.55/45,443.41
  6. Step 6: Final answer
    x = 38,915.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.